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Enterprise Postgres 17 Cluster Operation Guide(Database Multiplexing)

2.8.2 Checking the Connection Status on the Arbitration Server

This section explains how to use the arbitration server to check the connection status of the Mirroring Controller arbitration process and the Mirroring Controller process on the primary server and standby server.

Perform the following procedure:

  1. Execute the mc_arb command in status mode on the arbitration server.

    The example below executes the mc_arb command, and shows the status.

    Linux
    Example)
    $ mc_arb status -M /mcarb_dir/arbiter1
    
    server_id    host            status
    ---------------------------------------
    server1      192.0.3.100     online
    server2      192.0.3.110     online
    Windows
    Example)
    > mc_arb status -M D:\mcarb_dir\arbiter1
    
    server_id    host            status
    ---------------------------------------
    server1      192.0.3.100     online
    server2      192.0.3.110     online
  2. Check the result displayed by executing the mc_arb command in step 1.

    Items to be checked

    Check that the output status is "online" on both lines.

See

Refer to the Reference for information on the mc_arb command.